{"id":"CVE-2026-43506","state":"PUBLISHED","title":"An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5. A Denial of Service can occur via memory exhaustion caused by memory leaks from unauthentic","description":"An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5. A Denial of Service can occur via memory exhaustion caused by memory leaks from unauthenticated connections.","publishedAt":"2026-05-01T14:45:20.906Z","updatedAt":"2026-05-01T15:23:08.010Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"mitre"},"assigner":"mitre","products":["Prosody Prosody"],"affected":[{"vendor":"Prosody","product":"Prosody","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.12.6","versionType":"semver"},{"version":"1.0.0","status":"affected","lessThan":"13.0.5","versionType":"semver"}]}],"references":["https://www.openwall.com/lists/oss-security/2026/05/01/5","https://prosody.im/security/advisory_735dd9d3/"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43506.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43506","state":"PUBLISHED","datePublished":"2026-05-01T14:45:20.906Z","dateUpdated":"2026-05-01T15:23:08.010Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-05-01T14:45:20.487Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5. A Denial of Service can occur via memory exhaustion caused by memory leaks from unauthenticated connections."}],"affected":[{"vendor":"Prosody","product":"Prosody","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.12.6","versionType":"semver"},{"version":"1.0.0","status":"affected","lessThan":"13.0.5","versionType":"semver"}]}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2026/05/01/5"},{"url":"https://prosody.im/security/advisory_735dd9d3/"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","description":"CWE-401 Missing Release of Memory after Effective Lifetime","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-05-01T15:02:56.594Z"},"x_generator":{"engine":"CVE-Request-form 0.0.1"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*","versionEndExcluding":"0.12.6"},{"vulnerable":true,"criteria":"cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0.0","versionEndExcluding":"13.0.5"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-01T15:22:14.728575Z","id":"CVE-2026-43506","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-01T15:23:08.010Z"}}]}}}